
Ultra-fine Fe3C nanoparticles decorated in the Fe–N co-doped …
2024年1月2日 · The FeNC-900-S obtains high ORR activity in 0.1 M KOH, and zinc-air battery exhibits a power density of 188.8 mW cm −2.
Inflating strategy to fabricate highly dispersed Fe, N co-doped ...
2021年10月4日 · FeNC-900 also shows better durability and good methanol tolerance than those of commercial Pt/C. Besides, FeNC-900 exhibits an outstanding specific capacity of 258 F g−1 at 1 A g−1 for supercapacitor. The method presented here may provide a cost-efficient approach to fabricate carbon-based materials for ORR and supercapacitors.
Fe, N co-doped carbonaceous hollow spheres with self-grown …
2019年12月1日 · A novel kind of non-precious metal nanohybrid FeNC-900 is synthesized by hard-template with pyrolysis method using Fe-doped ZIF-8 as the precursor. The FeNC-900 has a superstructure of Fe, N co-doped carbonaceous hollow spheres crosslinked by some self-grown carbon nanotubes.
Mechanical grinding of FeNC nanomaterial with Fe3O4 to …
2023年2月15日 · We found out that the FeNC-700 shows the most prominent adsorption capacity for DBT with 7.48 mg of sulfur per gram adsorbent, being slightly higher than that of FeNC-800 (blue curve, 7.31) and FeNC-900 (red curve, 7.05).
用于制备用于 ORR 和超级电容器的高度分散的 Fe、N 共掺杂分级 …
掺杂碳纳米材料作为有效的电催化剂在氧还原反应(ORR)和超级电容器系统中受到广泛关注。在此,分散在分级多孔 N 掺杂碳 (FeNC-X) 上的高活性 Fe 原子是通过使 Fe 离子变性蛋清膨胀,然后活化和热解合成的。
Fe, N co-doped carbonaceous hollow sphere with self-grown …
The FeNC-900 has a superstructure of Fe, N co-doped carbonaceous hollow spheres crosslinked by some self-grown carbon nanotubes. The Fe, N co-doped carbonaceous matrix provides the binary electrocatalytic active sites of Fe–N–C and N …
Multiscale porous Fe-N-C networks as highly efficient ... - PubMed
2019年11月7日 · The as-prepared FeNC catalyst annealed at 900 °C (FeNC-900) exhibits a larger electrochemically active surface area and an improved ORR activity compared to FeNC annealed at other temperatures. FeNC-900 shows a superior ORR performance in comparison with that of commercial Pt/C in terms of the onset potential and half-wave potential, i.e., 0. ...
Hierarchically porous Fe-N-C derived from covalent-organic
2016年8月7日 · The resulting FeNC-900 electrocatalyst with improved reactant/electrolyte transport and sufficient active site exposure, exhibits outstanding ORR activity with a half-wave potential of 0.878 V, ca. 40 mV more positive than Pt/C for ORR in alkaline solution, and a half-wave potential of 0.72 V, which is comparable to that of Pt/C in acidic solution.
The LSV curves of FeNC-900 (A) and Pt/C (B) before and
As expected, FeNC-900 exhibits best the ORR performance among these FeNC samples and commercial Pt/C in terms of the onset potential at 0.959 V and the half-wave potential at 0.837 V...
NaCl-assisted synthesis of 2D hexagonal FeNC nanosheets as …
2023年7月15日 · The long-term stability of FeNC-NaCl-900 can be also confirmed by the high current retention rate (95.6 %) from the chronoamperometric response curve (Fig. 4 f). Additionally, the FeNC-NaCl-900 catalyst also shows a strong tolerance to methanol, suggesting its potential application in direct methanol fuel cells (Figure S7 e).